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3 years ago

A cell divides to form two cells during a process called

2 answers:

8 0

The mitosis division process has several steps or phases of the cell cycle—interphase, prophase, prometaphase, metaphase, anaphase, telophase, and cytokinesis—to successfully make the new diploid cells. When a cell divides during mitosis, some organelles are divided between the two daughter cells.

bulgar [2K]3 years ago

7 0

I believe its called mitosis. Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth. Hope this helps:)

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Determine the freezing point depression of 2 kg of water when 2 mol salt is added to it. The kf of water is 1.86 degrees C/M. Sh

Svet_ta [14]

Answer: The freezing point depression is $1.86^0C$

Explanation:

Depression in freezing point is given by:

$\Delta T_f=K_f\times m$

$\Delta T_f$ = Depression in freezing point

$K_f$ = freezing point constant = $1.86^0C/m$

m= molality = $\frac{\text {moles of solute}}{\text {mass of solvent in kg}}=\frac{2mol}{2kg}=1m$

$\Delta T_f=1.86mol/kg^0C\times 1m$

$\Delta T_f=1.86^0C$

Thus freezing point depression is $1.86^0C$

3 0

3 years ago

Which answer is an isotope of 40/20x? <br><br> Question Pictured here:

Nesterboy [21]

An isotope of ₂₀⁴⁰X ⇒₂₀⁴⁴X

<h3>Further explanation </h3>

The elements in nature have several types of isotopes

Isotopes are atoms that have the same number of protons and a different number of neutrons.

So Isotopes are elements that have the same Atomic Number (Proton)

In the following element notation,

$\large {{{A} \atop {Z}} \right X}$

X = symbol of elemental atom

A = mass number

= number of protons + number of neutrons

Z = atomic number

= number of protons = number of electrons, on neutral elements

For symbol of isotope X :

₂₀X⁴⁰ : atomic number = 20, mass number = 40

A. ₄₀²⁰X : atomic number = 40, mass number = 20, neutrons=20

B. ₂₀⁴⁰X²⁺ : atomic number = 20, mass number = 40, neutrons=20

C. ₂₁⁴⁰X : atomic number = 21, mass number = 40, neutrons=19

D. ₂₀⁴⁴X : atomic number = 20, mass number = 44, neutrons=22

7 0

3 years ago

Escribe aquí algo que consideres que requiere un balance para que se lleve a cabo correctamente

Solnce55 [7]

Answer:

Algo importante sobre el balance de una reacción química es la ley de la conservación de la masa que establece que la masa no se crea ni se destruye sólo se transforma de modo que en una reacción química la suma de la masa de los reactivos debe ser igual a la suma de la masa de los productos.

Por ejemplo: La fermentación de la glucosa es una reacción química balanceada que da como resultado etanol y dióxido de carbono.

C₆H₁₂O₆ → 2C₂H₆O +2CO₂

Calculando la masa de los reactivos y productos, se debe cumplir la ley de la conservación de la masa:

C₆H₁₂O₆= 6*12+12*1+6*16=180 g/mol

C₂H₆O= 2*12+6*1+16=46 g/mol

CO₂=12+2*16=44 g/mol

C₆H₁₂O₆ → 2C₂H₆O + 2CO₂

180 g/mol = 2*46 g/mol + 2*44 g/mol

180 g/mol = 92 g/mol + 88 g/mol

180 g/mol = 180 g/mol

8 0

3 years ago

Wich diagram correctly represents the mass of one chemical reactions

avanturin [10]

Answer:

According to the law of conservation of mass, the mass of the reacting substances is equal to the mass of the product formed during a reaction.

Explanation:

6 0

3 years ago

Please help asap

Helen [10]

C. carbon
sodium is an
oxygen is o
cl is chlorine

4 0

3 years ago